Chromatography With Coffee Filters
- White coffee filters - Non-permanent markers - Small containers - Water
Materials Needed:
Use a washable marker to draw a circle in the middle of a coffee filter.
Step 1
Fold the filter 3 times.
Step 2
Place the filter in a cup of water so the circle is immersed.
Step 3
Repeat steps 1-3 with more colors.
Step 4
Watch as the colors move up the coffee filter and start to separate.
Remove the filters and place them on a flat surface. Notice all the colors.
Step 5
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